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Monthly Archives: May 2012
Installing ZFS RAID-Z on CentOS 6.2 with SSD caching.
Updated August 16th, 2012 I recently had a project that required data storage with deduplication, data integrity assurance, and hardware fault tolerance. Instead of going with a traditional hardware RAID solution I opted to test out ZFS. My configuration utilized … Continue reading
Posted in Linux Guides
Tagged atime, centos 6.2, compression, data compression, data integrity, deduplication, disable atime zfs, fault tolerance, raid alternative, raid-5, raid-z, spl, ssd caching, zfs, zfs on centos, zfs on linux, zfs raid-z, zpool
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KVM Hardware Virtualization on CentOS 6.2 Dedicated Servers
I wrote this guide to show you how to do a proper KVM setup on your CentOS dedicated server. We will be using VNC and connecting to the dedicated server remotely from your workstation. I realize there are a lot … Continue reading
Can’t remove or re-add a cPanel addon or parked domain?
Sometimes you may find that a domain just won’t go away from cPanel. You may be trying to simply remove an addon domain or a parked domain, or you may be trying to re-add a domain that was at some … Continue reading
Download a backup over 2GB through cPanel instead of Apache.
Apache/FTP in some configurations can’t serve files that are over 2GB. This has been largely corrected on most HEL/CentOS cPanel servers, but there are legacy exceptions. There is a way to get such a large file via a cPanel function. … Continue reading
Secondary Exim Port for cPanel and WHM.
Some ISPs block outbound connections to servers on port 25 for SMTP. This is becoming less common, but still occurs on smaller or foreign ISPs. The reason they block this port is to prevent compromised client computers, especially botnets, from … Continue reading